Mailbox



FIG. 1 is a front perspective view of a mailbox showing my new design, a portion of the post is fragmented for clarity of illustration;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the additional hood and flag in FIGS. 4 and 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mailbox, as shown and described. 